Megarock Dragon [DR3-EN195] Super Rare Cybernetic Revolution Once per turn: You can

Once per turn: You can destroy as many Special Summoned Effect Monsters on the field as possible with ATK less than or equal to this card's (other than this card)

you can treat this 1 monster as 2 Tribute Monsters for the Tribute Summon

Set: Black & White: Legendary Treasures Type: Colorless Rarity: Common Retreat cost: Colorless

Screw Serpent"

This effect can only be used once per turn during your Main Phase

Megarock Dragon [DR3-EN195] Super Rare Cybernetic Revolution Once per turn: You canSet: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Super Rare Attack: ? Defense: ? This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing from play a Rock Type monster(s) in your Graveyard. The original ATK and DEF of this card become the number of Rock Type monsters you removed from play when you Special Summoned this card x 700.